US9527600B2 - Ram air turbine generator assemblies - Google Patents

Ram air turbine generator assemblies Download PDF

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Publication number
US9527600B2
US9527600B2 US14/280,589 US201414280589A US9527600B2 US 9527600 B2 US9527600 B2 US 9527600B2 US 201414280589 A US201414280589 A US 201414280589A US 9527600 B2 US9527600 B2 US 9527600B2
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Prior art keywords
generator
turbine
exciter
ram air
strut
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US14/280,589
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US20150329215A1 (en
Inventor
David Russ
Stephen Bortoli
Jeffrey Baldwin
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Hamilton Sundstrand Corp
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Hamilton Sundstrand Corp
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Priority to US14/280,589 priority Critical patent/US9527600B2/en
Assigned to HAMILTON SUNDSTRAND CORPORATION reassignment HAMILTON SUNDSTRAND CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BALDWIN, JEFFREY, Bortoli, Stephen, RUSS, DAVID
Assigned to HAMILTON SUNDSTRAND CORPORATION reassignment HAMILTON SUNDSTRAND CORPORATION CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE INSIDE THE ASSIGNMENT DOCUMENT PREVIOUSLY RECORDED AT REEL: 033986 FRAME: 0102. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Assignors: BALDWIN, JEFFREY, Bortoli, Stephen, RUSS, DAVID
Priority to EP15001484.3A priority patent/EP2944808B1/de
Publication of US20150329215A1 publication Critical patent/US20150329215A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D41/00—Power installations for auxiliary purposes
    • B64D41/007—Ram air turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/12—Combinations with mechanical gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/002—
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/30—Wind motors specially adapted for installation in particular locations
    • F03D9/32—Wind motors specially adapted for installation in particular locations on moving objects, e.g. vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/20—Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/30—Application in turbines
    • F05B2220/31—Application in turbines in ram-air turbines ("RATS")
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • F05B2220/7068—Application in combination with an electrical generator equipped with permanent magnets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/50—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/92—Mounting on supporting structures or systems on an airbourne structure
    • F05B2240/923—Mounting on supporting structures or systems on an airbourne structure which is a vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/403—Transmission of power through the shape of the drive components
    • F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/34—Application in turbines in ram-air turbines ("RATS")
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y02E10/725—
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines

Definitions

  • the present disclosure relates to components of ram air turbines, and more particularly, to generator assemblies for use in ram air turbines.
  • Ram air turbines are generally used in aircraft to provide supplemental and/or emergency power to the aircraft by utilizing air flow to rotate a turbine.
  • Ram air turbines can provide either electrical or hydraulic power.
  • Electrical ram air turbines produce electrical power by transferring the rotation of the turbine to a generator.
  • Ram air turbines can be located in the nose of the aircraft. However, in such configurations, the size and configuration of the ram air turbine bay envelope may cause the generator to be located too close to the blades, which can disturb the airflow behind the blades, causing the blades to prematurely fatigue. Therefore, it may be beneficial to provide a more compact generator that shifts the largest diameter section of the generator away from the blade path.
  • a ram air turbine comprises a turbine comprising a blade, a strut removably coupled to the turbine and comprising a drive section and a generator adapter section, wherein the strut comprises a turbine shaft and bevel gear located within the drive section, a generator positioned within the generator adapter section of the strut and comprising a turbine side, wherein an exciter is positioned at the turbine side of the generator, and wherein a permanent magnet generator is located with a stator of the exciter, and a driveshaft having a pinion gear that engages with the bevel gear, wherein the driveshaft is removably coupled to the generator.
  • the strut comprises a cone positioned between the drive section and the generator adapter section, and the permanent magnet generator and the exciter are positioned inside of the cone of the strut.
  • a ratio of a distance from the blade to an outer perimeter of the generator to a radius of the generator adapter section of the strut is greater than 3.
  • the generator further comprises a generator cover and a generator bearing, and the bearing engages with and maintains the relative positions of the driveshaft and the generator.
  • the generator cover has a driveshaft pilot diameter and a generator pilot diameter and a cone.
  • the permanent magnet generator and the exciter are positioned within the cone of the generator cover and within a main stator of the generator.
  • a generator for use in a ram air turbine comprises an exciter, and a permanent magnet generator, wherein the generator comprises a turbine side, wherein the exciter is positioned at the turbine side of the generator, and wherein the permanent magnet generator is located with a stator of the exciter.
  • the generator further comprises a generator cover and a generator bearing, and the generator bearing engages with and maintains the relative positions of a driveshaft and the generator.
  • the generator cover has a driveshaft pilot diameter and a generator pilot diameter.
  • the permanent magnet generator and the exciter are positioned within a cone of the generator cover and within a main stator of the generator.
  • FIG. 1 illustrates a perspective view of an aircraft, in accordance with various embodiments
  • FIGS. 2A and 2B illustrate a perspective view and a cross sectional view of a ram air turbine of an aircraft, in accordance with various embodiments
  • FIG. 3 illustrates a cross sectional view of a ram air turbine of an aircraft, in accordance with various embodiments
  • FIG. 4 illustrates a cross sectional view of a ram air turbine of an aircraft, in accordance with various embodiments.
  • FIG. 5 illustrates an end view of a generator for use with a ram air turbine of an aircraft, in accordance with various embodiments.
  • tail refers to the direction associated with the tail (e.g., the back end) of an aircraft, or generally, to the direction of exhaust of the gas turbine.
  • forward refers to the directed associated with the nose (e.g., the front end) of an aircraft, or generally, to the direction of flight or motion.
  • an aircraft 10 can comprise a nose 12 .
  • a ram air turbine 100 can be located within nose 12 of aircraft 10 , and when needed, ram air turbine 100 can be lowered out of nose 12 and into the path of airflow.
  • ram air turbine 100 can comprise, for example a turbine 102 having one or more blades 104 .
  • turbine 102 is removably coupled to a strut 110 .
  • strut 110 can be bolted to the rear of turbine 102 .
  • strut 110 may comprise a gearbox section 116 , a drive section 112 , and a generator adapter section 114 .
  • Strut 110 may be a one piece strut, comprising gearbox section 116 , drive section 112 , and generator adapter section 114 that are all integral to each other.
  • turbine 102 may be removably coupled to gearbox section 116 of strut 110 .
  • Strut 110 may comprise a transition between drive section 112 and generator adapter section 114 .
  • drive section 112 may have a reduced diameter in relation to generator adapter section 114 , such that strut 110 comprises a cone-shaped transition region between drive section 112 and generator adapter section 114 .
  • the various components of the ram air turbine that transfer rotational force of turbine 102 to a generator are located within gearbox section 116 , drive section 112 , and generator adapter section 114 . As will be further described, many of these components may reside in one or more section of strut 110 .
  • gearbox section 116 comprises a turbine shaft 126 and a bevel gear 128 .
  • Turbine shaft 126 may, for example, be removably coupled to turbine 102 , allowing turbine shaft 126 to rotate with the rotation of turbine blades 104 .
  • Bevel gear 128 may be removably coupled to turbine shaft 126 .
  • bevel gear 128 may be removably coupled to turbine shaft 126 by a spanner nut, a splined connection, or any other manner of coupling.
  • Bevel gear 128 may be oriented perpendicularly to turbine shaft 126 .
  • bevel gear 128 may comprise a beveled profile configured to interface with another gear and transmit rotation of turbine shaft 126 in a different direction.
  • bevel gear 128 can interface with a pinion gear to direct the rotational force of turbine 102 to a generator.
  • an opposing end of turbine shaft 126 may be seated in a bearing 120 located within a bearing retainer 123 .
  • a cover 122 may, for example, be located at an opposite end of gearbox section 116 from turbine 102 , and provide a seal for gearbox section 116 against outside contaminants.
  • gearbox section 116 also referred to as a gearbox section, comprises lubricating fluid, and cover 122 may retain such fluid within gearbox section 116 .
  • Cover 122 may, for example, be secured to gearbox section 116 of strut 110 by one or more fasteners such as screws or bolts.
  • drive section 112 of strut 110 may comprise a driveshaft 134 .
  • Driveshaft 134 may traverse drive section 112 and transfer rotation of turbine shaft 126 to generator 140 .
  • driveshaft 134 comprises a pinion gear 132 .
  • pinion gear 132 may comprise a gear body 174 and a gear face 154 .
  • Gear face 154 may comprise, for example, a gear tooth pattern that is complimentary to the pattern of bevel gear 128 .
  • pinion gear 132 engages with bevel gear 128 to transfer rotation of turbine shaft 126 to driveshaft 134 .
  • Pinion gear 132 may, for example, be secured to driveshaft 134 by a spanner nut.
  • pinion gear 132 may comprise a key 160 configured to interact with a keyed joint 162 of driveshaft 134 .
  • key 160 and keyed joint 162 may maintain the position of pinion gear 132 such that pinion gear 132 does not rotate independently of driveshaft 134 .
  • any manner of securing pinion gear 132 to driveshaft 134 is within the scope of the present disclosure.
  • driveshaft 134 further comprises a pinion bearing 136 .
  • Pinion bearing 136 may be coupled to pinion gear 132 and facilitate rotation and positioning of pinion bearing 136 within drive section 112 of strut 110 .
  • Pinion gear 132 may further comprise, for example, a pinion retainer 176 .
  • Driveshaft 134 may comprise, for example, a hollow shaft with an inner diameter and outer diameter. In other embodiments, driveshaft 134 may comprise a solid shaft.
  • ram air turbine 100 comprises generator 140 located at least partially within generator adapter section 114 of strut 110 .
  • the outside diameter of generator adapter section 114 is such that generator adapter section 114 does not interfere with the wake of blades 104 of turbine 102 during operation. Stated another way, the distance from one of blades 104 to the center of generator 140 is at least three times that of a projected radius of generator adapter section 114 .
  • generator adapter section 114 may be generally free of protrusions, such that the exterior surface is relatively smooth. In such embodiments, the relative smoothness of the exterior surface of generator adapter section 114 may assist in reducing turbulence and blade fatigue.
  • Generator 140 may comprise, for example, a turbine end 180 .
  • turbine end 180 is oriented towards driveshaft 134 .
  • Turbine end 180 may be at least partially located within a cone-shaped transition region between drive section 112 and generator adapter section 114 of strut 110 .
  • generator 140 comprises a permanent magnet generator 148 .
  • Permanent magnet generators are typically located above the generator, at the end opposite turbine end 180 . When the aircraft envelope is restricted, as is the case with many nose-located ram air turbine applications, locating permanent magnet generator 148 above generator 140 causes the rest of generator 140 to be located closer to the turbine blades.
  • permanent magnet generator 148 may be positioned at turbine end 180 of generator 140 . Further, permanent magnet generator 148 may be at least partially surrounded by an exciter 146 .
  • permanent magnet generator 148 may be partially surrounded by a stator of exciter 146 .
  • exciter 146 is at least partially surrounded by a main stator 142 of generator 140 to shorten the overall length.
  • generator 140 comprises a generator cover 144 .
  • Generator cover 144 may comprise, for example, a cone 182 oriented towards drive section 112 and positioned in a transition region between drive section 112 and generator adapter section 114 .
  • permanent magnet generator 148 and exciter 146 are located within cone 182 of generator cover 144 . In various embodiments, by locating permanent magnet generator 148 and exciter 146 in proximity, both may be wired to a common external connector, and therefore would not require two separate connectors.
  • Cone 182 of generator cover 144 can also comprise a generator bearing 150 .
  • an end of driveshaft 134 engages with generator bearing 150 .
  • generator bearing 150 provides support to, indexes, and/or maintains the position of an end of driveshaft 134 . Any manner of maintaining proper positioning of generator cover 144 and generator bearing 150 is within the scope of the present disclosure.
  • generator 140 further comprises an upper generator bearing 198 .
  • the upper generator bearing 198 may, for example, be positioned concentrically within the main stator 142 of generator 140 to assist in positioning the largest diameter section of generator 140 out of the path of the turbine blades.
  • references to “one embodiment,” “an embodiment,” “an example embodiment,” etc. indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to affect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described. After reading the description, it will be apparent to one skilled in the relevant art(s) how to implement the disclosure in alternative embodiments.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
US14/280,589 2014-05-17 2014-05-17 Ram air turbine generator assemblies Active 2034-11-13 US9527600B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/280,589 US9527600B2 (en) 2014-05-17 2014-05-17 Ram air turbine generator assemblies
EP15001484.3A EP2944808B1 (de) 2014-05-17 2015-05-18 Generator für staudruckturbine und staudruckturbine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160333742A1 (en) * 2015-01-16 2016-11-17 Hamilton Sundstrand Corporation Rat frame for a soft aircraft interface
US20220073204A1 (en) * 2015-11-10 2022-03-10 Matternet, Inc. Methods and systems for transportation using unmanned aerial vehicles
US20240239531A1 (en) * 2022-08-09 2024-07-18 Pete Bitar Compact and Lightweight Drone Delivery Device called an ArcSpear Electric Jet Drone System Having an Electric Ducted Air Propulsion System and Being Relatively Difficult to Track in Flight
USD1045668S1 (en) 2020-08-24 2024-10-08 Sonin Hybrid, LLC Drone
US12131656B2 (en) 2012-05-09 2024-10-29 Singularity University Transportation using network of unmanned aerial vehicles
US12441491B2 (en) 2020-04-17 2025-10-14 Sonin Hybrid, LLC Powertrain for aerial vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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DE102016006572A1 (de) * 2016-06-01 2017-12-07 Senvion Gmbh Vorrichtung und Anordnung zur horizontalen Vormontage eines Windenergieanlagenrotors

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114057A (en) * 1976-12-06 1978-09-12 Esters Ernie B Dynamoelectric machine with inner and outer stators
US4991796A (en) * 1988-11-14 1991-02-12 Sundstrand Corporation Ram air turbine drive system
US5484120A (en) * 1994-03-11 1996-01-16 Sundstrand Corporation Support strut for ram air driven turbine
US5708314A (en) * 1993-04-27 1998-01-13 Law; Mingyuen Multi-rotor A.C. electric drive device
US20030189382A1 (en) 2002-04-09 2003-10-09 Tornquist Gerald E. Generator with hydraulically mounted stator rotor
US20040066098A1 (en) 2002-10-04 2004-04-08 Doherty Kieran P.J. High speed generator with the main rotor housed inside the shaft
US20110236218A1 (en) * 2010-03-24 2011-09-29 David Everett Russ Hybrid ram air turbine
US20120056601A1 (en) * 2010-09-03 2012-03-08 Hamilton Sundstrand Corporation Rotor based air gap heating for air driven turbine
US20120114485A1 (en) 2010-11-04 2012-05-10 Hamilton Sundstrand Corporation Ram air turbine startup
US20120159964A1 (en) * 2010-12-28 2012-06-28 General Electric Company Accessory gearbox with a starter/generator
US20120183402A1 (en) * 2011-01-18 2012-07-19 Stephen Michael Bortoli Spiral bevel gear set for ram air turbine
US20120200184A1 (en) * 2011-02-08 2012-08-09 Seiko Epson Corporation Relative driving device, moving vehicle, and robot
US20120269634A1 (en) * 2011-04-19 2012-10-25 Hamilton Sundstrand Corporation Strut driveshaft for ram air turbine
US20120286516A1 (en) * 2011-05-11 2012-11-15 Rolls-Royce Plc Variable speed generator
US20130259683A1 (en) * 2012-03-27 2013-10-03 David Everett Russ Ram air turbine biasing assembly
US20130256453A1 (en) * 2012-03-27 2013-10-03 David Everett Russ Ram air turbine stow abort assembly
US8733480B2 (en) * 2007-08-27 2014-05-27 Kabushiki Kaisha Toyota Chuo Kenkyusho Power transmission apparatus
US20140347019A1 (en) * 2013-05-27 2014-11-27 HS Aerospace Dijon Voltage-controlled dc link for variable frequency generator excitation

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4114057A (en) * 1976-12-06 1978-09-12 Esters Ernie B Dynamoelectric machine with inner and outer stators
US4991796A (en) * 1988-11-14 1991-02-12 Sundstrand Corporation Ram air turbine drive system
US5708314A (en) * 1993-04-27 1998-01-13 Law; Mingyuen Multi-rotor A.C. electric drive device
US5484120A (en) * 1994-03-11 1996-01-16 Sundstrand Corporation Support strut for ram air driven turbine
US20030189382A1 (en) 2002-04-09 2003-10-09 Tornquist Gerald E. Generator with hydraulically mounted stator rotor
US20040066098A1 (en) 2002-10-04 2004-04-08 Doherty Kieran P.J. High speed generator with the main rotor housed inside the shaft
US8733480B2 (en) * 2007-08-27 2014-05-27 Kabushiki Kaisha Toyota Chuo Kenkyusho Power transmission apparatus
US20110236218A1 (en) * 2010-03-24 2011-09-29 David Everett Russ Hybrid ram air turbine
US20120056601A1 (en) * 2010-09-03 2012-03-08 Hamilton Sundstrand Corporation Rotor based air gap heating for air driven turbine
US20120114485A1 (en) 2010-11-04 2012-05-10 Hamilton Sundstrand Corporation Ram air turbine startup
US20120159964A1 (en) * 2010-12-28 2012-06-28 General Electric Company Accessory gearbox with a starter/generator
US20120183402A1 (en) * 2011-01-18 2012-07-19 Stephen Michael Bortoli Spiral bevel gear set for ram air turbine
US20120200184A1 (en) * 2011-02-08 2012-08-09 Seiko Epson Corporation Relative driving device, moving vehicle, and robot
US20120269634A1 (en) * 2011-04-19 2012-10-25 Hamilton Sundstrand Corporation Strut driveshaft for ram air turbine
US20120286516A1 (en) * 2011-05-11 2012-11-15 Rolls-Royce Plc Variable speed generator
US20130259683A1 (en) * 2012-03-27 2013-10-03 David Everett Russ Ram air turbine biasing assembly
US20130256453A1 (en) * 2012-03-27 2013-10-03 David Everett Russ Ram air turbine stow abort assembly
US20140347019A1 (en) * 2013-05-27 2014-11-27 HS Aerospace Dijon Voltage-controlled dc link for variable frequency generator excitation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Extended European Search Report dated Oct. 2, 2015 in European Application No. 15001484.3.

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12131656B2 (en) 2012-05-09 2024-10-29 Singularity University Transportation using network of unmanned aerial vehicles
US20160333742A1 (en) * 2015-01-16 2016-11-17 Hamilton Sundstrand Corporation Rat frame for a soft aircraft interface
US10093430B2 (en) * 2015-01-16 2018-10-09 Hamilton Sundstrand Corporation Rat frame for a soft aircraft interface
US20220073204A1 (en) * 2015-11-10 2022-03-10 Matternet, Inc. Methods and systems for transportation using unmanned aerial vehicles
US11820507B2 (en) * 2015-11-10 2023-11-21 Matternet, Inc. Methods and systems for transportation using unmanned aerial vehicles
US12441491B2 (en) 2020-04-17 2025-10-14 Sonin Hybrid, LLC Powertrain for aerial vehicle
USD1045668S1 (en) 2020-08-24 2024-10-08 Sonin Hybrid, LLC Drone
US20240239531A1 (en) * 2022-08-09 2024-07-18 Pete Bitar Compact and Lightweight Drone Delivery Device called an ArcSpear Electric Jet Drone System Having an Electric Ducted Air Propulsion System and Being Relatively Difficult to Track in Flight
US12145753B2 (en) * 2022-08-09 2024-11-19 Pete Bitar Compact and lightweight drone delivery device called an ArcSpear electric jet drone system having an electric ducted air propulsion system and being relatively difficult to track in flight

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US20150329215A1 (en) 2015-11-19
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